ext/Intl: Return PHP_INT_MIN as int from MessageFormatter::parse() on 64-bit

NEWS

@@ -69,6 +69,8 @@ PHP                                                                        NEWS
     argument handling now raises TypeError instead of Error. (Weilin Du)
   . IntlBreakIterator::getLocale() now raises ValueError for invalid locale
     types. (Weilin Du)
+  . Fixed MessageFormatter::parse() and parseMessage() returning PHP_INT_MIN
+    as float rather than int on 64-bit platforms. (Weilin Du)
 
 - JSON:
   . Enriched JSON last error / exception message with error location.

UPGRADING

@@ -40,6 +40,8 @@ PHP 8.6 UPGRADE NOTES
   . IntlBreakIterator::getLocale() now raises a ValueError when the type is
     neither Locale::ACTUAL_LOCALE nor Locale::VALID_LOCALE instead of
     returning false.
+  . MessageFormatter::parse() and parseMessage() now return PHP_INT_MIN as
+    int, rather than float, on 64-bit platforms when parsing integer values.
 
 - PCNTL:
   . pcntl_alarm() now raises a ValueError if the seconds argument is

ext/intl/msgformat/msgformat_helpers.cpp

@@ -649,7 +649,7 @@ U_CFUNC void umsg_parse_helper(UMessageFormat *fmt, int *count, zval **args, UCh
 
         case Formattable::kInt64:
             aInt64 = fargs[i].getInt64();
-			if(aInt64 > ZEND_LONG_MAX || aInt64 < -ZEND_LONG_MAX) {
+			if(aInt64 > ZEND_LONG_MAX || aInt64 < ZEND_LONG_MIN) {
 				ZVAL_DOUBLE(&(*args)[i], (double)aInt64);
 			} else {
 				ZVAL_LONG(&(*args)[i], (zend_long)aInt64);

ext/intl/tests/msgfmt_parse_int64_min_64.phpt

@@ -0,0 +1,26 @@
+--TEST--
+MessageFormatter::parse() with PHP_INT_MIN on 64-bit platform
+--EXTENSIONS--
+intl
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip 64-bit only"); ?>
+--FILE--
+<?php
+
+$fmt = new MessageFormatter('en_US', '{0,number,integer}');
+$parsed = $fmt->parse('-9,223,372,036,854,775,808');
+var_dump($parsed);
+
+$parsed = MessageFormatter::parseMessage('en_US', '{0,number,integer}', '-9,223,372,036,854,775,808');
+var_dump($parsed);
+
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  int(-9223372036854775808)
+}
+array(1) {
+  [0]=>
+  int(-9223372036854775808)
+}